Horn upgrade DIY
Horn upgrade DIY
Got a chance to upgrade my horns from OEM to Fiamm Electric Horns. What a huge difference. The whiny tiny horns are gone, now I have the same normal horns which my Lexus has (Denso).
Had to remove the one by the alternator and the one by the radiator. I installed the pair right in the bottom air dam, there was a hole with a 10 mm bolt, in the same bracket as the existing mount, but this was lower. So I decided to mount it low and away from sight. I acutally mounted it where the original one was but it so so visible through the grille and since they were not painted, it looked tacky.
When I removed the OEM horns (and a lot of the other horns I have done, Acura and Toyota), I have always wondered why they were split. One is normally tucked away hidden, the other one in plain sight. The reason: The alarm. If the thief can get to your horn, then your audible alarm is already gone.
The only concern is that now the horns are very accessible for the thief to cut off. Specially that I am missing the left side plastic undercover! But who knows where the alarm's coming from? I will also try to paint it flat black so that it is discrete.
Pics to follow.
Had to remove the one by the alternator and the one by the radiator. I installed the pair right in the bottom air dam, there was a hole with a 10 mm bolt, in the same bracket as the existing mount, but this was lower. So I decided to mount it low and away from sight. I acutally mounted it where the original one was but it so so visible through the grille and since they were not painted, it looked tacky.
When I removed the OEM horns (and a lot of the other horns I have done, Acura and Toyota), I have always wondered why they were split. One is normally tucked away hidden, the other one in plain sight. The reason: The alarm. If the thief can get to your horn, then your audible alarm is already gone.
The only concern is that now the horns are very accessible for the thief to cut off. Specially that I am missing the left side plastic undercover! But who knows where the alarm's coming from? I will also try to paint it flat black so that it is discrete.
Pics to follow.
Last edited by mandyfig; Mar 29, 2010 at 11:21 AM.
I hate the wimpy stock horns. I'll eventually swap mine out too, but its not super high on my priority list.
It's on my list - and fairly high on the list - just not sure which horns to go with yet, still researching...
considering air horns, since no one seems to notice when I'm blowing the horn at them.
considering air horns, since no one seems to notice when I'm blowing the horn at them.
...and now we cross-reference, for posterity.

http://forums.maxima.org/5th-generat...heir-horn.html
LOL, I was wondering while reading your post. Did not ring a bell. Now I know.
Mine's all the way down, I did not have space right in front of the radiator. And there was a hole conveniently located further down, I went for it.
It is true that you will need to twist, bend to get your mount the way you want it.
Mine's all the way down, I did not have space right in front of the radiator. And there was a hole conveniently located further down, I went for it.
It is true that you will need to twist, bend to get your mount the way you want it.
For louder horns, you could just leave the stock two in front of the radiator, and then add these:
They definitely get people's attention when I want. Just make sure you use a relay (stock horn wire for signal, a fused wire from battery run under radiator support, ground to mounting bracket, and power to compressor tucked behind washer reservoir filler neck), or else you'll keep blowing your horn fuse after 2 seconds. It's also in the stock location for the alarm horn, so no one can tamper with it to turn off the extremely loud audible alarm.
(Disregard the stainless steel lines that don't connect to anything. They're for a more permanent PCV catch can install I never finished......)
They definitely get people's attention when I want. Just make sure you use a relay (stock horn wire for signal, a fused wire from battery run under radiator support, ground to mounting bracket, and power to compressor tucked behind washer reservoir filler neck), or else you'll keep blowing your horn fuse after 2 seconds. It's also in the stock location for the alarm horn, so no one can tamper with it to turn off the extremely loud audible alarm.
(Disregard the stainless steel lines that don't connect to anything. They're for a more permanent PCV catch can install I never finished......)
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Dasmith
4th Generation Maxima (1995-1999)
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Sep 23, 2015 08:28 PM



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